Last updated: August 21, 2025
In Chattogram, Bangladesh, January ushers in mild and pleasant weather, characterized by a maximum temperature of 27°C (81°F) and an average of 20°C (69°F). The month sees a refreshingly cool minimum temperature of 15°C (60°F), making it ideal for outdoor activities. With only 6 mm (0.3 in) of precipitation occurring on just 1 day, the humidity level hovers around 57%, contributing to the comfortable climate. This combination of moderate temperatures and low rainfall sets the perfect backdrop for enjoying the natural beauty and vibrant culture of Chattogram during January.
In January, Chattogram, Bangladesh, experiences a refreshing start to the year, with temperatures ranging from a cool 15°C (60°F) at night to a pleasant daytime high of 27°C (81°F). The average temperature sits comfortably around 20°C (69°F), making it an ideal time for both locals and visitors to enjoy outdoor activities. As the month progresses, a gradual warming trend begins, with February showing only a slight increase, where the nightly lows remain stable while daytime highs edge up to 28°C (82°F). This trend continues into the warmer months, with temperatures climbing steadily throughout March and April, ultimately peaking at 33°C (92°F) by late April. Notably, January's mild weather lays the groundwork for the hotter months ahead, drawing an inviting contrast as the season transitions from winter's cool embrace to the sweltering summer heat.
In Chattogram, Bangladesh, January marks the driest month, with a mere 6 mm of precipitation, falling on just one day. This minimal rainfall sets the stage for a gradual increase in moisture as the year progresses; by March, precipitation rises to 35 mm over three days, paving the way for the pre-monsoon season. The stark contrast becomes evident in the following months, where April sees a significant jump to 71 mm and May surges to 139 mm, foreshadowing the torrential rains of the monsoon. As June rolls in, the skies open up, delivering a staggering 642 mm over 27 days, marking the peak of the region's wet season. This escalating trend of precipitation continues through July and August, reflecting the dramatic seasonal shifts characteristic of Chattogram's climate.
In January, Chattogram experiences a moderate humidity level of 57%, setting the stage for the transition into the drier months ahead. As winter unfolds, the humidity dips further to 50% in February and reaches its annual low of 41% in March, offering a brief reprieve from the tropical stickiness. However, come April, humidity begins its ascent again, climbing to 45% and foreshadowing the impending monsoon months. By May, the atmosphere thickens considerably, with levels soaring to 69%, and this trend continues to peak mid-year, hitting 81% in July and 82% in September. As the year winds down, the humidity gradually decreases, ending at 64% in December, yet remains significantly higher than its January readings. Overall, January serves as a pivotal moment, marking the shift from relatively dry winter months to the humid embrace of summer.
In January, Chattogram, Bangladesh, experiences a UV Index of 6, categorizing it as high exposure with a burn time of approximately 25 minutes. This signifies a notable increase in sun intensity compared to the preceding months, setting the stage for a gradual rise in UV levels. As the year progresses, the UV Index peaks in May and June at 12 and 13, marking an extreme exposure category with burn times dropping to just 10 minutes. A consistent pattern emerges, with high UV levels extending through the summer months and subsequently tapering off in the fall. By November and December, the Index returns to 8 and 6, respectively, indicating that while winter brings some respite, vigilance is still essential. For more detailed information, you can explore the Chattogram UV Index.
UV Risk Categories
January in Chattogram, Bangladesh, welcomes the year with approximately 245 hours of sunshine, setting a refreshing tone for the months ahead. As winter yields to the warmth of spring, February sees a charming rise to 291 hours, paving the way for increasingly bright days. The sunshine peaks in the following months, with March, April, and May boasting 331, 333, and 345 hours respectively, inviting outdoor exploration and vibrant activities. However, as the monsoon season approaches, the sun-drenched days begin to dip, with 270 hours recorded in June, and a slight recovery in the following months, showing 271 hours in July and 282 hours in August. The trend shifts again towards the end of the year, with September to November enjoying 281 to 296 hours, before settling down to 289 hours in December. This cyclical dance of sunshine not only shapes the weather but also the rhythms of life in Chattogram throughout the year.
In Chattogram, Bangladesh, January shines as one of the sunniest months of the year, boasting an impressive 92% chance of sunny weather. As winter settles in, the likelihood of clear skies diminishes in the subsequent months, with February still holding a robust 87% chance, but gradually declining to 73% in March. This sunny trend takes a dip as spring approaches, with April experiencing 80% sunshine before the onset of the rainy season in May, where the chances drop to 58%. The striking contrast is evident during the monsoon months of June and July, where the chances plummet to a mere 14% and 4% respectively. As the year progresses towards winter again, the sun makes a modest return, highlighted by 75% in November and 71% in December. Overall, January truly stands out for those seeking sun in Chattogram, radiating optimism for outdoor activities before the clouds roll in.
In Chattogram, Bangladesh, January marks the start of a gradual transition towards longer days, with an average of 10 hours of daylight. As the year progresses into February, daylight increases to 11 hours, setting the stage for the approaching warmth of spring. By March and April, this trend continues, with both months enjoying 12 hours of daylight, allowing for ample time to bask in the sun. The peak sunlight occurs in May and June, with each day boasting 13 hours of daylight, perfect for outdoor activities and explorations. As the monsoon season begins, daylight remains steady at 13 hours during July but starts to taper off in August, bringing 12 hours of light. As the year winds down, daylight decreases gradually in September and October, both offering 11 hours, while November and December close the year with only 10 hours. This rhythmic ebb and flow of sunlight not only marks the changing seasons but also enhances the vibrant life that characterizes Chattogram throughout the year.
In Chattogram, Bangladesh, January greets visitors with a gentle breeze, featuring an average wind speed of 3.0 m/s (7 mph). This moderate wind flow marks the beginning of a gradual increase in velocity as the months progress, peaking in June at 5.8 m/s (13 mph). During the early months of the year, from February to April, the wind speed climbs steadily, reaching a mild 3.8 m/s (8 mph) in April before a slight dip in late spring. The summer months bring the strongest winds, creating a lively atmosphere, particularly in June and July. As the year winds down, the breezes soften once again, with speeds ranging between 2.8 m/s (6 mph) in October and 3.5 m/s (8 mph) in the cooler months of November and December. This progression of wind patterns not only adds a dynamic element to Chattogram's climate but also highlights the transition from the cool, calm winter days to the vibrant energy of the summer season.
Weather in Chattogram varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Chattogram, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, Chattogram experiences mild temperatures with a minimum of 15°C (60°F) and an average of 20°C (69°F), peaking at 27°C (81°F). The month sees light precipitation of 6 mm (0.3 in) over just one day and displays a humidity level of 57%. In contrast, February brings slightly warmer conditions, with an average temperature rising to 22°C (72°F) and a maximum reaching 28°C (82°F). February's precipitation decreases to just 4 mm (0.1 in), also occurring over a single day, and humidity drops to 50%. For more details, check out Chattogram weather in February.
In January, the weather is generally milder, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). The month experiences low precipitation, with only 6 mm (0.3 in) over just one day and a humidity level of 57%. In contrast, March brings warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 32°C (91°F), resulting in an average temperature of 26°C (78°F). However, March also sees increased rainfall, accumulating 35 mm (1.4 in) over three days, and a reduced humidity of 41%. For more detailed information, you can check Chattogram weather in March.
January weather in Chattogram is relatively mild, with temperatures averaging around 20°C (69°F) and minimal precipitation of just 6 mm over one day, leading to a comfortable humidity level of 57%. In contrast, April experiences significantly warmer temperatures, with averages rising to 28°C (83°F) and maximums reaching 33°C (92°F). However, this comes with a considerable increase in rainfall, totaling 71 mm over eight days, resulting in a lower humidity of 45%. For a more detailed overview, you can check Chattogram weather in April.
In January, Chattogram experiences mild temperatures with a minimum of 15°C (60°F) and an average of 20°C (69°F), peaking at 27°C (81°F). The weather is relatively dry, showcasing only 6 mm of precipitation over just one day and a humidity level of 57%. In contrast, May sees a significant rise in temperature, with a minimum of 24°C (75°F) and an average high of 29°C (84°F), reaching up to 33°C (92°F). However, this month is marked by considerable rainfall, totaling 139 mm over 16 days, and increased humidity at 69%. For further insights into the weather during this month, check out Chattogram weather in May.
January and June present strikingly different weather patterns. In January, temperatures range from a mild 15°C (60°F) at night to a warm 27°C (81°F) during the day, with low precipitation of just 6 mm (0.3 in) and relatively comfortable humidity at 57%. In contrast, June experiences much warmer temperatures, with minimums starting at 26°C (78°F) and daytime highs reaching up to 31°C (89°F). This month is characterized by significant rainfall, totaling 642 mm (25.3 in) over 27 days, and higher humidity levels at 72%. For a detailed look at Chattogram's June weather, you can refer to Chattogram weather in June.
The weather in January and July presents a stark contrast. January typically enjoys a mild climate with average temperatures ranging from a cool 20°C (69°F) to a maximum of 27°C (81°F), accompanied by low precipitation of just 6 mm over the course of one day and a humidity level of 57%. In contrast, July is characterized by significantly warmer temperatures, with minimums of 25°C (78°F) and maximums reaching up to 31°C (88°F). However, this month also brings heavy rainfall, accumulating 707 mm (27.8 in) over 30 days, while humidity spikes to a steamy 81%. For more details on the July weather, you can refer to Chattogram weather in July.
In January, the weather features a mild temperature range with a minimum of 15°C (60°F) and an average of 20°C (69°F), peaking at a comfortable 27°C (81°F). This month experiences low precipitation, totaling only 6 mm (0.3 in) across just one day, and humidity levels average around 57%. In contrast, August sees significantly warmer temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), reaching a maximum of 31°C (88°F). The month is characterized by heavy rainfall, accumulating 446 mm (17.5 in) over 29 days, and higher humidity at 78%. For more details, check out Chattogram weather in August.
In January, the weather is mild with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 27°C (81°F), accompanied by low precipitation of just 6 mm (0.3 in) over a single day and a humidity level of 57%. In stark contrast, September brings significantly warmer temperatures, with a minimum of 26°C (79°F) and a maximum reaching up to 32°C (90°F). This month experiences heavy rainfall, totaling 326 mm (12.8 in) over approximately 25 days, and a noticeably higher humidity of 82%. For more details on the climate, you can refer to Chattogram weather in September.
January and October present stark contrasts in weather patterns. In January, temperatures range from a minimum of 15°C (60°F) to a maximum of 27°C (81°F) with relatively low precipitation of just 6 mm (0.3 in) over one day and a humidity level of 57%. By October, the climate shifts dramatically, featuring a minimum temperature of 23°C (73°F) and a maximum of 32°C (90°F), where the average temperature climbs to 28°C (83°F). October also sees a significant increase in rainfall, totaling 254 mm (10.0 in) across 17 days, coupled with a higher humidity of 78%. For more detailed insights, you can explore Chattogram weather in October.
In January, the weather is generally milder, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). This month experiences minimal precipitation, with only 6 mm (0.3 in) over just one day and humidity at 57%. In contrast, November is warmer, with a minimum temperature of 20°C (67°F), an average of 25°C (78°F), and a maximum of 30°C (87°F). However, it also sees significantly more rainfall, totaling 42 mm (1.6 in) over four days, along with higher humidity levels at 68%. For more details, you can check Chattogram weather in November.
In comparing the weather between January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 27°C (81°F). In contrast, December offers warmer conditions, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F). Additionally, January experiences much less precipitation, receiving only 6 mm (0.3 in) over 1 day, whereas December has significantly higher rainfall at 24 mm (0.9 in) over 2 days. Humidity levels are also slightly lower in January at 57%, compared to December's 64%. For more detailed insights into December weather, you can visit Chattogram weather in December.
As January unfolds in Chattogram, it brings a refreshing respite from the sweltering heat of the preceding months. With pleasant temperatures averaging around 20°C and a comfortable humidity level of 57%, this month is ideal for outdoor activities. Unlike the rain-soaked monsoon season or the scorching summer, January enjoys minimal precipitation, boasting just a single day of light rainfall. This makes it a perfect time to explore the city’s vibrant culture and stunning landscapes. For those interested in the broader climatic patterns, additional insights can be found in the detailed Chattogram Climate information.